Base | Representation |
---|---|
bin | 11111010110110010100… |
… | …010100100011110101100 |
3 | 21121222211220110210221111 |
4 | 133112302202210132230 |
5 | 240300434122201220 |
6 | 4325520045241404 |
7 | 311451210662002 |
oct | 37266242443654 |
9 | 7558756423844 |
10 | 2154774022060 |
11 | 76091a840410 |
12 | 2a9739563264 |
13 | 12826abc0a4a |
14 | 764122baa72 |
15 | 3b0b5c7715a |
hex | 1f5b28a47ac |
2154774022060 has 48 divisors (see below), whose sum is σ = 4956058420992. Its totient is φ = 780432440000.
The previous prime is 2154774022001. The next prime is 2154774022069. The reversal of 2154774022060 is 602204774512.
It is a super-2 number, since 2×21547740220602 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2154774022069) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19455592 + ... + 19566031.
It is an arithmetic number, because the mean of its divisors is an integer number (103251217104).
Almost surely, 22154774022060 is an apocalyptic number.
2154774022060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2154774022060 is an abundant number, since it is smaller than the sum of its proper divisors (2801284398932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154774022060 is a wasteful number, since it uses less digits than its factorization.
2154774022060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39021894 (or 39021892 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 40.
Adding to 2154774022060 its reverse (602204774512), we get a palindrome (2756978796572).
The spelling of 2154774022060 in words is "two trillion, one hundred fifty-four billion, seven hundred seventy-four million, twenty-two thousand, sixty".
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